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According to contemporary reviews, this picture, released as The Spy in Black in England, was the second of Columbia's "quota acquisitions," which were produced by Irving Asher, the head of Columbia British production. It was produced just before the start of World War II, and marked the first collaboration of Michael Powell and Emeric Pressburger. The film appeared on the National Board of Review's "ten best" list of 1939. Modern sources add Bernard Miles to the cast. Powell and Pressburger re-teamed with Valerie Hobson in the 1939 British film Contraband which released released in the United States in 1940 as Blackout.